TY  - GEN
AU  - Ward,T
TI  - Should oral contraceptive users be screened for factor V Leiden? Oral contraceptives are not the only effective contraceptives
SN  - 0959-8138
PY  - 1997///0812
KW  - Contraceptives, Oral
KW  - Contraindications
KW  - Factor V
KW  - analysis
KW  - Female
KW  - Humans
KW  - Thrombosis
KW  - prevention & control
N1  - Publication Type: Letter; Comment
UR  - https://doi.org/10.1136/bmj.315.7099.60
ER  -